Home / 8,777.84-13,166.77-3,515.22

Finding the Fourth Proportional to 8,777.84, 13,166.77 and 3,515.22

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Solution

The fourth proportional to 8,777.84, 13,166.77 and 3,515.22 is: 5,272.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.84 : 13,166.77 = 3,515.22 : x
  2. Step 2: Convert to fraction form
    8,777.84/13,166.77 = 3,515.22/x
  3. Step 3: Cross multiply
    8,777.84x = 13,166.77 × 3,515.22
  4. Step 4: Simplify right side
    8,777.84x = 46,284,093.24
  5. Step 5: Solve for x
    x = 46,284,093.24/8,777.84
  6. Step 6: Final answer
    x = 5,272.83

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.